Fill it up again Dummy
Join Date: Sep 2012
Location: Central Valley, Sierra Mountains, California
Thanked 115 Times in 104 Posts
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Do you have a engine monitor,ScanguageII Edge ect ?
My guess would be a weak ficm. Do you notice more soot on rear fender from exhaust??
Then again all I ever get is 12-14mpg. Have a ficm coming with the Atlas40 tune and hope to go up maybe a little. If not a little more power will be a nice treat.
2006 F250 LARIAT CCSB 4X4
ARP Studs, O-Ringed Heads
X4 PHP 65 HP Custom Tow Tune
Atlas40 Ficm Tune
CAT EC-1 Coolant, IPR Coolant filter
Fass-125 to a Adjustable Pressure Reg.
Turbo-back SS 4" pipe, Corsa Muffler -7" Tip
6.4 starter, DC Power 270 amp alt
Die Hard Platinum AGM all 2/0 Cables
7" lift w: Icon Progressive Coil Springs
2008 up Carli/Deaver rear springs
All riding on some Fatty-Daddy 38/15.50/18 Toyo's
Last edited by mhatlen; 11-17-2012 at 02:15 PM.